PDF - Eprints@CMFRI

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Mat eri al:
Gulf of Aqaba : T. Aviv 'S 6065 (Eilat ).
Central R. 5.: P. Sud. Sa 48 (Sanganeb R.).
Di s t rib uti 0 n : Red Sea; "'Idab ra ; Madagascar ; Mascarene Archipelago; Maldives; Lakshadweep ;
Nicobar Isis. ; Philippines; Japan; Great Barrier Reef; Marshall Isis.; Fanning lsI. ; Tahiti; Cocos lsI. (East
Pac ific , DURHAM 1962).
Genus Pacbyseris MILNE EDWARDS and HAIAIE, 1849
T Y pes pe e i e s: Agaricia rugosa LAMARCK, 180 l.
G e n e r ic c h a r ac t e r s: Unifacial or rarely bifacial. Surface with concentric or irregular, low
co llines enclosi ng broken or continuous lame llar columella . Calices ill-defined . Septa narrow, closel y
placed , continuous over the collines, 18 to 30 per cm length of colline. Septal edges dentate.
Synopsis of Pacbyseris described here in:
1. Surface rises to irregular hillocks. Collines discontinuous, height of collines 3 to 5 mm . Columella
lamellate, well developed . Septa about 20 per length of colline ....................... P. rugosa
2. Corallum more or less plate-like, surface level. Collines concentrica lly arranged , very low (I to 2 mm).
Septa up to 30 per cm length of colline. Top of colli nes mostly rounded. Columella moderately
developed .. . ......... . ................... . ................... . ... . ..... P. speciosa
Pacbyseris
U"daria
Pacbyseris
Pacbyseris rugosa (LAMARCK ), 1801
(Plale IS . Pigs. 1. 2)
rugosa 1932, THIEL. 93 ; pis. 15 / 1, 2; 21 / 3, 4 (synonymy),
1936. YADE. SUGIYAMA & EGUCHI, 6 3; pls. 39/ 1. 2;43 / 1- 3, S.
1937. MA. ISI ; pI.9012.
1971. LOVA & SLOBOD KIN . 12J.
1974. SC HE ER & PI LLA I. 33